/*
 * This file is part of the GUI_SDK.
 *
 * Copyright (c) 2019-2019 Link-Card.Co.Ltd. All rights reserved.
 *
 * Authors:
 *    JiangYong <1556631285@qq.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * 'Software'), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * Function:  header file
 * Created on: 2019-10-05
 */

#ifndef  _KEY_H_
#define  _KEY_H_

#define VIENNA_GPIOC_0_MMR_BASE		0xB3500000
#define VIENNA_GPIOC_1_MMR_BASE		0xB3600000
#define VIENNA_GPIOC_2_MMR_BASE		0xB3700000
#define VIENNA_GPIOC_3_MMR_BASE		0xAB000000

#define GPIOC_DATA_IN 0x08

#define GPIO_KEY1           2
#define GPIO_KEY2           1
#define GPIO_KEY3           0

#define KEY1	(1 << GPIO_KEY1)
#define KEY2	(1 << GPIO_KEY2)
#define KEY3	(1 << GPIO_KEY3)

#define KEY_MASK   (KEY3 | KEY2 | KEY1)
#define KEY_PRESS(key)	((~key) & KEY_MASK)

void gpio_init(void);
int create_keys_thread(void);

#endif
